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   "source": [
    "-----\n",
    "* 时间：2022/10/18-week09\n",
    "* 记录人：李奥琪\n",
    "-------"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "4a09fbb0",
   "metadata": {},
   "source": [
    "# 本周知识点"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "c7c14268",
   "metadata": {},
   "source": [
    "> 1. while循环\n",
    "> 2. 购物车的练习\n",
    "> 3. 元组_集合"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "c30ff11e",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "你是风儿我是沙，缠缠绵绵到天涯... 0\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 1\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 2\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 3\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 4\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 5\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 6\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 7\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 8\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 9\n"
     ]
    }
   ],
   "source": [
    "# while True 可以实现 for + range 的方法\n",
    "# while True 一般用于不确定的循环次数或者无限次循环操作\n",
    "count = 0\n",
    "while True:\n",
    "    print(\"你是风儿我是沙，缠缠绵绵到天涯...\",count)\n",
    "    count +=1\n",
    "    if count == 10: \n",
    "        break"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "f25f4623",
   "metadata": {},
   "outputs": [],
   "source": [
    "# 猜数字小游戏： 0<n<100 ,5次机会猜数字， 每次猜完出题人提示你猜的有点大/有点小\n",
    "\n",
    "hide_card = int(input(\"hide_card\")) # 出题人\n",
    "count = 0"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "377aa4f3",
   "metadata": {},
   "outputs": [],
   "source": [
    "if hide_card <100 and hide_card>0 :\n",
    "    print(\"游戏开始了\")\n",
    "    while True:\n",
    "        if count <5:\n",
    "            guess_digit = int(input(\"guess_digit:\"))# 玩游戏的人\n",
    "            if guess_digit == hide_card:\n",
    "                print (\"yes,you got it.\")\n",
    "            elif guess_digit > hide_card:\n",
    "                print(\"往小了想想..\")\n",
    "            else:\n",
    "                print(\"往大了猜.\")\n",
    "            count = count+1\n",
    "        else:\n",
    "            print(\"猜这么多次都不对，你个笨蛋！\")\n",
    "            print(\"正确答案是：%s\"%hide_card)\n",
    "            break\n",
    "else:\n",
    "    print(\"请输入数字在0-99之间。不要耍赖！\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "fcff0d76",
   "metadata": {},
   "source": [
    "# 购物车"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "3550e52c",
   "metadata": {},
   "source": [
    "* 购物车项目程序：\n",
    "> 1. 运行程序后，让用户输入支付宝余额，然后打印我们的商品列表给用户。\n",
    "> 2. 让用户输入商品编号进行商品的购买。\n",
    "> 3. 用户选择商品后，检查用户的余额是否够，若够则直接扣款，不够则提醒用户。\n",
    "> 4. 用户可以随时退出购买，退出时打印用户已购买的商品和支付宝余额。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "acc55630",
   "metadata": {},
   "outputs": [],
   "source": [
    "# 1 运行程序后， 让用户输入支付宝余额√，然后打印我们的商品列表给用户√\n",
    "good_list = [\n",
    "    [\"蜜桃四季春\"，6]，\n",
    "    [\"柠檬水\"，4]，\n",
    "    [\"草莓啵啵奶盖\"，10]，\n",
    "    [\"杨枝甘露\"，12]\n",
    "]\n",
    "AliPay = int(input(\"请输入余额：\"))\n",
    "\n",
    "while True:\n",
    "    print(\"-------蜜雪冰城列表-------\")\n",
    "    for i in range(4):\n",
    "        print(i,good_list[i][0],str(good_list[i][1])+\"元\")\n",
    "    # 2 让用户输入商品编号，进行商品的购买\n",
    "    user_choice = int(input(\"请输入商品的编号：\"))\n",
    "    # 3 用户选择商品后，检查用户的余额是否够，若够则直接扣款，不够则提醒用户\n",
    "    # 3.1 用户输入商品序号\n",
    "    if user_choice.isdigit:\n",
    "        if AliPay > good_list[user_choice][1]:\n",
    "            # 余额足够\n",
    "            AliPay = AliPay - good_list[user_choice][1]:\n",
    "            shopping_list.append(good_list[user_choice])\n",
    "            print(\"购买成功，请等待制做...您的余额还有：%s元\"%（AliPay))\n",
    "        else:\n",
    "            # 余额不够\n",
    "            print(\"您的余额不足\"+str(good_list[user_choice][1])+\"元，请更换支付方式或选择其他商品\")\n",
    "    #3.2 用户输入其它\n",
    "    elif user_choice == \"q\":\n",
    "        print(\"感谢您的购买，欢迎下次光临\")\n",
    "        print(\"您的购物车：\"，shopping_list)\n",
    "        print(\"您的余额还有：\"，AliPay)\n",
    "        break\n",
    "    else:\n",
    "        print(\"您输入的商品不存在或者您输入的内容有误！\")\n",
    "        \n",
    "    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "21f7f142",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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